Vibration Sensor Monitoring
What is the use of system monitor (3300/03) in Bently Nevada.
Two 4-20mA Signals from a Single 4-20mA Signal
Looking for a cheap device that can re-transmit a single 4-20mA signal to two 4-20mA signals. Something like a repeater device that can split the 4-20mA signal into 2 streams without signal degradation.
Slow level PID loop with telemetry delay
By Steve Myres on 8 November, 2015 - 12:03 am
Dick, I think it's OK to use a BIT of integral in level control, if it's a case where there's a...
By Steve Myres on 7 November, 2015 - 11:54 pm
> If i were to capture the PID settings and PV, SP and Output > at some point in time, how...
By Steve Myres on 7 November, 2015 - 2:11 pm
Either manually or via some added PLC code, capture some snapshots of at least the PV, bias, and CV...
Voltage being pulled down in IO panels.
By Roy Matson on 23 November, 2015 - 4:48 pm
> We have numerous Siemens FX300 Vortex flow meters on site. > Every few months these seem...
Recommended Low-Cost Modbus RTU Mixed-Signal Remote I/O Module
Seeking recommendations for a simple, low-cost Modbus remote I/O module w/ analog I/O, digital I/O, 2A+ relays
By Roy Matson on 23 November, 2015 - 4:16 pm
> Howdy folks! My company is looking for a simple, low cost > Modbus RTU remote IO module...
How pressure transmitter can be use as flow transmitter?
By MrAnon on 23 November, 2015 - 2:53 pm
The basic relation for pressure and flow is derived from Bernoulli's Equation - a statement of...
Zero Trimming DP and P and Multivarible Transmitters
How would I go about zero trimming a DP and P on a multivarible transmitter?
Chromalox Temperature Controller Alarm Output
Looking for some input or guidance on getting 120V output for an audible alarm on a chromalox temperature controller.
By TheSource on 18 November, 2015 - 8:13 am
Thanks a lot David and bgall. I ended up figuring that out and ran a jumper from the power input to...
By bgallaspy on 17 November, 2015 - 3:31 pm
It looks like for the Chromalox 6040-RRA output 1 is just a relay. The controller itself does not...
Trying to find a proper combination of a PLC and Gear Motor for a simple chain conveyor system I'm developing.
3051 Capsule Transmitter Out of Range
3051 capillary transmitter out of range problem
By Roy Matson on 16 November, 2015 - 5:46 pm
You say remote seal, Do you only have one? If this is the case, lower the transmitter closer to...
Bently Nevada Vibration Monitor
Connecting/using Bently Nevada vibration monitors
Connecting 2, 3, and 4 Wire Current Loops
Connecting 2, 3, and 4 wire current loops to the same current sinking PLC input card whilst avoiding ground loops.
Looking for equipment to monitor building sewer line flow so we can be alerted to an imminent backup.
vibration reading conversion
By SENTHILKUMAR on 8 November, 2015 - 7:30 am
Dear sir, Rotating Equipment like pump & compressors vibration reading in terms of velocity...
Safety Barriers and Isolators
How does process transmitters function when it is connected to a barrier or isolator?
Communication between SI580E and PLC Modicon 340
How to read data via RS 485 from Load Cell indicator SI 580E in Unity Pro
SIL Calculation for HIPPS Loop
When to use Risk Reduction Factor (RRF) in SIL calculations
Piggyback 4-20 ma Signal from DP Transmitter?
Need to mate a new system with old one. Can I piggyback 4-20ma signal from DP transmitter?
By Dale Feucht on 3 November, 2015 - 5:54 pm
The I/P and the PLC or DCS input must be in series with the 3051 transmitter. The 4-20 milliamp...
Pressure Sensor that Inverts a 4-20ma Signal
Posted by mike mckenna on 31 October, 2015 - 2:19 pm
Reverse signal sensor or a signal reverser.
By Mike McKenna on 2 November, 2015 - 1:59 am
you are correct on the principle i have a digital switch to start and stop the pump. under normal...
By MrAnon on 1 November, 2015 - 6:16 pm
It sounds like you're measuring tank level using hydrostatic pressure as the operating principle. ...
By Mike McKednna on 1 November, 2015 - 11:02 am
The VFD is built into the motor, grundfos SQE pump, they tell me low ma is lowest speed 20ma is...
By Steve Myres on 31 October, 2015 - 10:28 pm
There are signal conditioners that would do this, but you could probably get your VFD to interpret...
Is 450 Feet to Far for Accurate Pressure Sensor Readings?
I have a micro 1100. Need to run both pressure sensors 450 ft.